Surname รัตนวงศ์ไชย (รัตนวงศ์ไชย 
) , in all the world, is an extremely rare last name. The last name รัตนวงศ์ไชย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนวงศ์ไชย | Thailand |